2218487650 has 48 divisors (see below), whose sum is σ = 4205766528. Its totient is φ = 870408000.

The previous prime is 2218487629. The next prime is 2218487683. The reversal of 2218487650 is 567848122.

It is a happy number.

2218487650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2218487597 and 2218487606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1411365 + ... + 1412935.

It is an arithmetic number, because the mean of its divisors is an integer number (87620136).

Almost surely, 2^2218487650 is an apocalyptic number.

2218487650 is a deficient number, since it is larger than the sum of its proper divisors (1987278878).

2218487650 is a wasteful number, since it uses less digits than its factorization.

2218487650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2218487650 is about 47100.8243027657. The cubic root of 2218487650 is about 1304.2244527037.

The spelling of 2218487650 in words is "two billion, two hundred eighteen million, four hundred eighty-seven thousand, six hundred fifty".